diff --git a/os/hal/ports/STM32/LLD/USARTv2/hal_uart_lld.h b/os/hal/ports/STM32/LLD/USARTv2/hal_uart_lld.h
index 61bb80e81..cbad7fec4 100644
--- a/os/hal/ports/STM32/LLD/USARTv2/hal_uart_lld.h
+++ b/os/hal/ports/STM32/LLD/USARTv2/hal_uart_lld.h
@@ -616,7 +616,7 @@
 /* Checks on allocation of USARTx units.*/
 #if STM32_UART_USE_USART1
 #if defined(STM32_USART1_IS_USED)
-#error "SD1 requires USART1 but it is already used"
+#error "UARTD1 requires USART1 but it is already used"
 #else
 #define STM32_USART1_IS_USED
 #endif
@@ -624,7 +624,7 @@
 
 #if STM32_UART_USE_USART2
 #if defined(STM32_USART2_IS_USED)
-#error "SD2 requires USART2 but it is already used"
+#error "UARTD2 requires USART2 but it is already used"
 #else
 #define STM32_USART2_IS_USED
 #endif
@@ -632,7 +632,7 @@
 
 #if STM32_UART_USE_USART3
 #if defined(STM32_USART3_IS_USED)
-#error "SD3 requires USART3 but it is already used"
+#error "UARTD3 requires USART3 but it is already used"
 #else
 #define STM32_USART3_IS_USED
 #endif
@@ -640,7 +640,7 @@
 
 #if STM32_UART_USE_UART4
 #if defined(STM32_UART4_IS_USED)
-#error "SD4 requires UART4 but it is already used"
+#error "UARTD4 requires UART4 but it is already used"
 #else
 #define STM32_UART4_IS_USED
 #endif
@@ -648,7 +648,7 @@
 
 #if STM32_UART_USE_UART5
 #if defined(STM32_UART5_IS_USED)
-#error "SD5 requires UART5 but it is already used"
+#error "UARTD5 requires UART5 but it is already used"
 #else
 #define STM32_UART5_IS_USED
 #endif
@@ -656,7 +656,7 @@
 
 #if STM32_UART_USE_USART6
 #if defined(STM32_USART6_IS_USED)
-#error "SD6 requires USART6 but it is already used"
+#error "UARTD6 requires USART6 but it is already used"
 #else
 #define STM32_USART6_IS_USED
 #endif
@@ -664,7 +664,7 @@
 
 #if STM32_UART_USE_UART7
 #if defined(STM32_UART7_IS_USED)
-#error "SD7 requires UART7 but it is already used"
+#error "UARTD7 requires UART7 but it is already used"
 #else
 #define STM32_UART7_IS_USED
 #endif
@@ -672,7 +672,7 @@
 
 #if STM32_UART_USE_UART8
 #if defined(STM32_UART8_IS_USED)
-#error "SD8 requires UART8 but it is already used"
+#error "UARTD8 requires UART8 but it is already used"
 #else
 #define STM32_UART8_IS_USED
 #endif
diff --git a/os/hal/ports/STM32/LLD/USARTv3/hal_uart_lld.h b/os/hal/ports/STM32/LLD/USARTv3/hal_uart_lld.h
index 42d8505f0..2d765fc26 100644
--- a/os/hal/ports/STM32/LLD/USARTv3/hal_uart_lld.h
+++ b/os/hal/ports/STM32/LLD/USARTv3/hal_uart_lld.h
@@ -616,7 +616,7 @@
 /* Checks on allocation of USARTx units.*/
 #if STM32_UART_USE_USART1
 #if defined(STM32_USART1_IS_USED)
-#error "SD1 requires USART1 but it is already used"
+#error "UARTD1 requires USART1 but it is already used"
 #else
 #define STM32_USART1_IS_USED
 #endif
@@ -624,7 +624,7 @@
 
 #if STM32_UART_USE_USART2
 #if defined(STM32_USART2_IS_USED)
-#error "SD2 requires USART2 but it is already used"
+#error "UARTD2 requires USART2 but it is already used"
 #else
 #define STM32_USART2_IS_USED
 #endif
@@ -632,7 +632,7 @@
 
 #if STM32_UART_USE_USART3
 #if defined(STM32_USART3_IS_USED)
-#error "SD3 requires USART3 but it is already used"
+#error "UARTD3 requires USART3 but it is already used"
 #else
 #define STM32_USART3_IS_USED
 #endif
@@ -640,7 +640,7 @@
 
 #if STM32_UART_USE_UART4
 #if defined(STM32_UART4_IS_USED)
-#error "SD4 requires UART4 but it is already used"
+#error "UARTD4 requires UART4 but it is already used"
 #else
 #define STM32_UART4_IS_USED
 #endif
@@ -648,7 +648,7 @@
 
 #if STM32_UART_USE_UART5
 #if defined(STM32_UART5_IS_USED)
-#error "SD5 requires UART5 but it is already used"
+#error "UARTD5 requires UART5 but it is already used"
 #else
 #define STM32_UART5_IS_USED
 #endif
@@ -656,7 +656,7 @@
 
 #if STM32_UART_USE_USART6
 #if defined(STM32_USART6_IS_USED)
-#error "SD6 requires USART6 but it is already used"
+#error "UARTD6 requires USART6 but it is already used"
 #else
 #define STM32_USART6_IS_USED
 #endif
@@ -664,7 +664,7 @@
 
 #if STM32_UART_USE_UART7
 #if defined(STM32_UART7_IS_USED)
-#error "SD7 requires UART7 but it is already used"
+#error "UARTD7 requires UART7 but it is already used"
 #else
 #define STM32_UART7_IS_USED
 #endif
@@ -672,7 +672,7 @@
 
 #if STM32_UART_USE_UART8
 #if defined(STM32_UART8_IS_USED)
-#error "SD8 requires UART8 but it is already used"
+#error "UARTD8 requires UART8 but it is already used"
 #else
 #define STM32_UART8_IS_USED
 #endif